C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/396, 9/61, 2
C07C 50/18 (2006.01) C07C 46/00 (2006.01) C07C 46/02 (2006.01) C07C 46/06 (2006.01) C07C 50/16 (2006.01) C07C 50/26 (2006.01) C07C 50/28 (2006.01) C07C 50/32 (2006.01) D21C 3/20 (2006.01) D21C 3/22 (2006.01) D21H 17/00 (2006.01) C08H 6/00 (2010.01)
Patent
CA 1324377
Abstract of the Disclosure A method for the preparation of a mixture of fused ring quinone type compounds from lignin and lignin derived substances. The mixture of fused ring quinone compounds has been found useful in the wood pulping process as an accelerator in the degradation and separation of wood lignin from the other principal wood constituents, cellulose and hemicellulose.
601380
Dimmel Donald R.
Wozniak John C.
Institute Of Paper Chemistry (the)
Macrae & Co.
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